Pr,ATK VI. 



IJTTLE GREEN HERON 

 {Leiinlh, ITOIJ incites. i 



BLACK-CROWNED NIGHT HERON 

 (Young and Adi'lti. 

 iLeiKjth, JU'OO iJiches.) 

 GREAT BLUE HERON. 

 {Le)iglh, It'.-oo inches.) 



?(' 



